PSDK v3.5 EmergencyStopMotor

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Robert Clarke

• June 08, 2023 14:25

On reviewing changes in PSDK v3.5, we noticed that the DJI_FLIGHT_CONTROLLER_DISABLE_EMERGENCY_STOP_MOTOR enum member has been removed. Does this mean the DjiFlightcontroller_EmergencyStopMotor function now only supports stopping the motors? Can the motors re-enabled after this function is used? If it is possible, how is this achieved?

For context, we are using this function to stop motors immediately on touchdown when landing on a moving platform to avoid the vehicle sliding. We would like to be able to automatically take-off again after this so need to reenable the motors.

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  DJI Developer Support

  • June 09, 2023 04:17

  Yes, after the PSDK triggers an emergency stop motor, it does not support restarting the motor. And the drone will actively fall, which is used to avoid the motor from hurting people in an emergency. After the crash (if there is landing protection), the drone can only be used after restarting.

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  Robert Clarke

  • July 18, 2023 11:06

  Is the "disable emergency stop" command able to be added back to the PSDK in a future version? It was very helpful for our use case, avoiding the need for a human operator to be present on the moving platform and enabling a greater degree of autonomy.

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